52616040 has 32 divisors (see below), whose sum is σ = 157848480. Its totient is φ = 14030912.

The previous prime is 52616033. The next prime is 52616093. The reversal of 52616040 is 4061625.

52616040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 52616040.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219114 + ... + 219353.

It is an arithmetic number, because the mean of its divisors is an integer number (4932765).

Almost surely, 2^52616040 is an apocalyptic number.

It is an amenable number.

52616040 is an abundant number, since it is smaller than the sum of its proper divisors (105232440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52616040 is a wasteful number, since it uses less digits than its factorization.

52616040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438481 (or 438477 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 52616040 is about 7253.6914740014. The cubic root of 52616040 is about 374.7192921496.

Adding to 52616040 its reverse (4061625), we get a palindrome (56677665).

The spelling of 52616040 in words is "fifty-two million, six hundred sixteen thousand, forty".